Finding the Fourth Proportional to 8,242,849.92, 11,361,993.99 and 6,497,675.22
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Solution
The fourth proportional to 8,242,849.92, 11,361,993.99 and 6,497,675.22 is: 8,956,434.67
Step by Step Solution
- Step 1: Write the proportion equation
8,242,849.92 : 11,361,993.99 = 6,497,675.22 : x - Step 2: Convert to fraction form
8,242,849.92/11,361,993.99 = 6,497,675.22/x - Step 3: Cross multiply
8,242,849.92x = 11,361,993.99 × 6,497,675.22 - Step 4: Simplify right side
8,242,849.92x = 73,826,546,798,611.92 - Step 5: Solve for x
x = 73,826,546,798,611.92/8,242,849.92 - Step 6: Final answer
x = 8,956,434.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.